Advertising device



FIG. 1 is a front view of an advertising device;

FIG. 2 is a back view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is another perspective view thereof;

FIG. 9 is a top perspective view thereof; and,

FIG. 10 is a bottom perspective view thereof.

The oblique shade lines represent a transparent surface.

The broken lines showing of the advertising device is for the purpose of illustrating portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for advertising device, as shown and described. 